Arapahoe Ridge Weather Forecast

    • 46
    • 77

    Mostly Sunny

    • 39
    • 62

    Chance Rain Showers

    • 40
    • 63

    Slight Chance Rain Showers

    • 40
    • 64

    Slight Chance Rain Showers

    • 45
    • 72

    Mostly Sunny

    • 40
    • 71

    Partly Sunny

Today 15 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Patchy fog in the morning. Mostly sunny. Highs in the mid to upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 15 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Slight chance of Showers after midnight. Lows in the mid to upper 40s. Chance of rain 20 percent.

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Arapahoe Ridge Temperature Statistics

October Temperature

Boulder Municipal Airport (1.9 miles)

  • Lowest 6 October, 2025

    41 °F

  • Average October

    59.3 °F

  • Highest 3 October, 2025

    86 °F

Climate (2020–Present)

Boulder Municipal Airport (1.9 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    64.9 °F
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